WO2010039033A1 - Appareil de fabrication de fromage à colonne d’égouttage verticale - Google Patents

Appareil de fabrication de fromage à colonne d’égouttage verticale Download PDF

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Publication number
WO2010039033A1
WO2010039033A1 PCT/NL2009/050588 NL2009050588W WO2010039033A1 WO 2010039033 A1 WO2010039033 A1 WO 2010039033A1 NL 2009050588 W NL2009050588 W NL 2009050588W WO 2010039033 A1 WO2010039033 A1 WO 2010039033A1
Authority
WO
WIPO (PCT)
Prior art keywords
whey
jacket
column
perforated
curd
Prior art date
Application number
PCT/NL2009/050588
Other languages
English (en)
Inventor
Eric Schilstra
Sijmen Sipma
Original Assignee
Tetra Laval Holdings & Finance S.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tetra Laval Holdings & Finance S.A. filed Critical Tetra Laval Holdings & Finance S.A.
Priority to EP09788351A priority Critical patent/EP2348821A1/fr
Priority to DE112009002413.0T priority patent/DE112009002413B4/de
Publication of WO2010039033A1 publication Critical patent/WO2010039033A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01J—MANUFACTURE OF DAIRY PRODUCTS
    • A01J25/00—Cheese-making
    • A01J25/11—Separating whey from curds; Washing the curds
    • A01J25/111—Separating whey from curds; Washing the curds by continuous separation
    • A01J25/112—Separating whey from curds; Washing the curds by continuous separation in cylinders

Definitions

  • the invention relates to an apparatus for making cheese, comprising at least one vertical tubular draining column for receiving cheese curd, which in operation forms a curd column in the draining column, and which draining column has at least one perforated section, with a jacket enclosing the respective section for operatively collecting whey egressing from the curd column, wherein each jacket enclosing a perforated section is provided with at least one whey discharge pipe, wherein at least one jacket is provided with a whey circulation system, which comprises at least one whey circulation supply pipe connected to the jacket, and at least one whey circulation discharge pipe connected with the jacket, as well as pump means connected with these pipes.
  • curd is prepared from milk in a curd maker.
  • the curd in the curd maker is stirred and cut and the whey thereby released is partly discharged and for the rest is supplied, together with the curd mass, via a buffer tank to an apparatus for producing blocks of cheese.
  • cheese can be prepared from curd in many ways, in large-scale cheese production often use is made of so-called prepressing columns.
  • Such a column can comprise one or more hollow vertical tubes, to which, in operation, a mixture of curd and whey is supplied at the top.
  • the curd is increasingly compacted from the top down, so that at the bottom of the column curd blocks can be cut off.
  • a horizontally acting guillotine blade is placed at the bottom of the column.
  • the guillotine blade closes off the column, but is opened periodically, so that the curd column(s) in the tube (can) move down over a predetermined distance.
  • the guillotine blade is brought into the closing position again, at the bottom of each curd column a curd block (or multiple curd blocks) is thereby cut off.
  • the thus obtained curd blocks can be processed further.
  • a curd column hence moves stepwise in downward direction through a vertical hollow tube. The curd is thereby compressed under the influence of the column's own weight and through the hydraulic action of the whey stream through the curd bed. This is called draining and compacting, which requires the whey from the curd-whey mixture to be discharged.
  • the vertical hollow tube is provided with a number of perforated sections.
  • the column comprises drainage jackets enclosing the perforated sections.
  • the drainage jackets collect the whey egressmg through the openings of the perforated sections and are each provided with at least one discharge pipe for the discharge of whey.
  • curd draining apparatuses ai*e known per se from practice and from the literature. Examples are the various types of curd draining apparatuses which are marketed by applicant under the name of Tetra Tebel Casomatic ® and Tetra Damrow DMS ® .
  • a problem that occurs in column-shaped curd draining apparatuses of the type having a draining column which includes one or more vertical curd receiving tubes is that small curd particles are carried along with the whey flowing through the openings of the perforated sections. These small curd particles, which may for instance have dimensions of less than 1 mm, are also referred to by the term fines. Such fines may accumulate in a jacket behind the perforations of a perforated part, forming a mass of fines, which may lead to problems, such as blockage, reduced drainage capacity and bacteriological problems.
  • the curd receiving tubes are then placed in a closed outer jacket, with an interspace present both between the curd receiving tubes mutually and between the curd receiving tubes and the outer jacket.
  • Horizontal partitions extending substantially transversely to the outer jacket divide the interspace into a number of draining sections situated above each other, which are each provided with a whey discharge pipe.
  • a whey circulation system can be readily used because the relatively large free space between the perforated curd receiving tubes provides sufficient opportunity to inject the circulating whey stream into the draining sections without the whey stream damaging or disturbing the structure of the curd in the perforated curd receiving tubes. Damage or disturbance of the curd structure can lead to unacceptable problems in the eventually formed cheeses, such as deviations in structure, taste and consistency, which limit marketing.
  • the jacket is connected with a whey discharge pipe, which is provided with a branched-off recirculation pipe, via which, with the aid of a pump, a part of the whey discharged by the whey discharge pipe is recycled to the jacket.
  • the recycled whey is thereby pumped into the jacket directly opposite the perforations of the column.
  • There are no whey guide means involved which prevent the recycled whey stream from striking directly against a perforated wall part of the perforated section and the curd column situated behind it.
  • a curd draining column which is perforated over the entire length thereof and is provided with a jacket over the entire length thereof.
  • the jacket is connected with a whey circulation pipe, via which whey from the bottom of the jacket is recycled to the upper end of the jacket.
  • whey guide means involved, which prevent the recycled whey from striking directly against a perforated portion of the column and the curd column situated behind it.
  • an apparatus of the above-described kind is characterized in that at least opposite the whey circulation supply pipe within the jacket whey guide means are situated which prevent whey supplied by the pump means via the at least one whey circulation supply pipe to the space between the jacket and the perforated sections from striking directly against a perforated wall part of the perforated section and the curd column standing behind it.
  • FIG. 1 schematically shows an example of a known draining column for draining curd for making cheese
  • Fig. 2 schematically shows a part of a cross section of an exemplary embodiment of a draining column according to the invention
  • Fig. 3 schematically shows in perspective a part of an example of a draining column according to the invention
  • Fig. 4 schematically shows an example of a cross section of a draining column with whey pipes according to the invention
  • FIG. 5 schematically illustrates in perspective an example of an alternative exemplary embodiment of the invention.
  • Fig. 6 schematically shows a cross section of the embodiment of Fig. 5.
  • Fig. 1 schematically shows an example of a known traditional curd draining apparatus 1, also called draining column, for short.
  • the apparatus shown is of the type marketed by applicant under the name of Tetra Tebel Casomatic ® SC.
  • This apparatus is configured for, in continuous operation, draining whey from a vertical curd column W and producing curd blocks using a dosing device.
  • a cheese making apparatus comprises multiple draining columns.
  • the curd column W is situated in a draining column 2, which substantially consists of a vertical tube, and which in a known manner is closed off at the lower end with a guillotine blade (not shown), which is part of a dosing device 3.
  • a mixture of whey and curd is supplied to the upper end, funnel-shaped in this example, of the draining column 2.
  • the whey-curd mixture supplied forms a curd column W in the draining column, which has at least one perforated wall part ⁇ .
  • the curd column contains whey, which can egress through the perforated wall or perforated wall parts ⁇ .
  • the perforated wall parts 5 are each enclosed by a closed outer jacket 6, in each case with an interspace 7 between the perforated wall parts and the outer jackets.
  • the perforated wall parts may be cylindrical tube sections, which are circumferentially provided with perforations.
  • Each draining section is provided with a whey discharge pipe 11, 12, and 13, respectively.
  • the whey discharge pipes 11, 12, 13 in this example terminate in a common whey discharge pipe 14, which in turn terminates in a whey collecting tank 15.
  • the dosing section 3 may also be provided with a whey discharge pipe, indicated with 16, which in this example is also connected with the whey collecting tank 15.
  • controllable valves Y are arranged, which, under the control of pressure gauges PT, which measure the hydrostatic pressure in the draining sections a, b, and c, regulate the flow of the whey through the pipes 11, 12, 13.
  • pressure gauges PT which measure the hydrostatic pressure in the draining sections a, b, and c
  • time -controlled open-close valves with a mechanical flow resistance in the discharge pipe or a regulable back pressure regulation behind the discharge valve may be used as flow regulator.
  • Fines consist of small curd particles which are carried along with the whey through the perforations in the draining sections. These small curd particles can accumulate in the draining sections behind the perforations and thus lead to problems such as, for instance, blockage of the perforations, limitation of the drainage capacity in that the perforation is unduly covered, and bacteriological problems.
  • accumulations of fines are schematically indicated with reference numeral 17.
  • Fig. 2 schematically shows a part of a cross section of an example of a first embodiment of a draining column according to the invention.
  • the figure shows a draining section 20 of a draining column 2.
  • the draining section comprises a perforated wall part or perforated section 21.
  • the perforated wall part can be part of the tubular column 2. but may also be a separate insert, which is fixed in the column for instance by welding.
  • From the curd column W, which in operation is situated in the draining column.
  • whey is released which can egress via the openings of the perforated wall part 21, as schematically indicated with arrows 22.
  • the egressing whey is collected in a jacket 23 enclosing the perforated wall part.
  • the draining column can have a circular cross section, but other cross-sectional shapes are also possible, as for instance a rectangular or generally polygonal cross section with or without rounded or beveled corners.
  • the jacket 23 has a shape adapted to the shape of the draining column, and is provided with one or more whey discharge pipes, not shown in Fig. 2, such as the pipes 11, 12, 13 of Fig. 1. Further, Fig. 2 shows a whey circulation supply pipe 24 of a whey circulation system. The whey supplied, indicated with an arrow P, is pumped through pipes of the whey circulation system with the aid of schematically represented suitable pump means 25.
  • An example of a piping configuration will be described in more detail hereinafter with reference to Figs. 3 and 4.
  • the whey supply pipe 24 shown in Fig. 2 terminates in the jacket 23 in such a way that the whey flows into the lower part of the jacket around the column.
  • whey guide means are used, which prevent the whey stream supplied by the pump means from striking directly against a perforated wall part and, via the openings of the perforated wall, striking the curd column W itself.
  • Such whey guide means can comprise a blind, that is, unperforated, portion 26 of the perforated wall part opposite the whey supply pipe, or a screening plate 26, which is placed in front of the perforations situated opposite the whey supply pipe.
  • the blind portion or the screening plate has a height h, which is at least as great as the height from the upper side of the whey supply pipe to the bottom 25 of the jacket 23.
  • h should hence be at least equal to the diameter d of the whey supply pipe, because the bottom side of the whey supply pipe is flush with the bottom 25 of the jacket 23. This is desirable because the whey circulation flow must preferably take place over the bottom of the jacket so as to prevent sedimentation of fines in a space under the circulation flow.
  • the height h of the blind portion or the screening plate is slightly greater than the diameter d of the whey supply pipe.
  • the length of the screening plate 26 or the blind portion 26 along the circumference of the tubular column 2 should also be at least as great as the diameter d of the whey supply pipe 24, but is preferably greater.
  • the height h of the blind portion or the screening plate may decrease abruptly or gradually in the circumferential direction of the column 2 to zero or a minor value at a distance from the whey supply pipe, but it is also possible that the blind portion or the screening plate extends all around the column 2 with a substantially constant height h.
  • the lower portion of the jacket 23 together with the screening plate or the blind portion forms, as it were, a circumferential gutter, in which the whey supplied via the pipe 24 and possibly other whey supply pipes can flow around the column.
  • the supplied stream of whey flushes away fines ending up in the lower portion of the jacket and prevents fines from sedimenting from higher levels in the jacket, so that permanent accumulations of fines are prevented.
  • FIGs. 3 and 4 schematically show in perspective and in cross section, respectively, an example of a draining section 30 for a vertical draining column of a cheese making apparatus according to the invention.
  • the draining section 30 has a perforated wall portion 31, which is enclosed by a jacket 32. The perforations themselves are not represented.
  • the draining section is part of a vertical draining column, which in this example has a rectangular cross-sectional shape with rounded angles.
  • the draining section is provided with a whey circulation system having a circulation supply pipe 34 for whey.
  • the supply pipe 34 links up with two pipes 35, 36, which, at two diagonally opposite angles of the rectangular cross-sectional shape, are connected to inlet openings 37, 38 in the jacket.
  • the inlet openings are situated at the bottom side of the jacket 32, opposite to blind or screened parts of the perforated section 31, so that the supplied whey stream is not aimed directly at the perforations and cannot damage the curd mass present behind the perforations.
  • the supply line 34 is provided with a connecting flange for a pipe connected with pump means.
  • the whey supply is symbolized with arrows 39, 40, 41.
  • the inlet openings 37, 38 in this example are situated in the corner portions of the jacket, and the whey stream operatively supplied via the inlet openings, preferably at right angles to the circumferential line of the perforated section, therefore butts against the blind or screened corner poi'tions of the perforated section.
  • the whey stream thereby divides into two partial streams which flow in the hollow space 33 between the jacket and the perforated wall parts along the two sidewalls of the perforated section that adjoin each corner portion.
  • outlet openings 42, 43 are arranged, to which two discharge pipes 44, 45 are connected.
  • the discharge pipes 44, 45 are connected with two opposite ends of a coupling pipe part 46, in this example designed with an enlarged diameter.
  • the coupling pipe part 46 is provided with a return pipe 47, which in turn is connected with the pump means, as symbolically indicated with an arrow 48.
  • the coupling pipe part is furthermore provided with a connection 49 for a conventional drainage pipe of the type as the whey discharge pipes indicated in Fig. 1 with reference numerals 11, 12, and 13. Via the drainage pipe, whey can flow to a whey collecting tank. This is symbolically indicated in Fig. 3 with an arrow 50.
  • the corner portions of the perforated section are bent slightly outwards, thereby creating a stronger curvature, which enhances mechanical strength and which further promotes an efficient distribution of the whey stream supplied via the openings 37, 38, and promotes the confluence of the whey to be discharged via the openings 42, 43.
  • Other forms of the corner portions of a square or rectangular column are also possible.
  • Fig. 4 schematically shows pump means ⁇ l.
  • the pump means provide for circulation of whey in the lower part of a jacket of a draining section.
  • the whey originates from the whey-curd mixture which is present in the draining column.
  • the whey flows via the perforations of the perforated section into the hollow space 33 between the jacket 32 and the wall 31 of the perforated section.
  • the hollow space is wholly filled with whey.
  • the whey flows away via the discharge pipes 44, 45, and 46, and is thereupon partly discharged via the connection 49 and a drainage pipe connected therewith, and partly recirculated with the aid of the pump means 51.
  • the circulating whey stream prevents accumulation of fines in the hollow space 33 and in particular in the lower portion thereof.
  • the whey discharge pipes 44, 45, 46 of the whey circulation system in the example shown are in fact part of the regular drainage pipe system.
  • a separate connection to the jacket is not needed.
  • such a separate connection may be used.
  • the pump means may advantageously be configured to provide multiple or all draining sections of a draining column with a circulating whey stream using a single pump. Since it is not necessary to circulate a whey stream uninterruptedly to prevent accumulation of fines, it is possible to have a single pump work in a time sharing system, whereby the pump, through controllable valves, is consecutively cyclically connected with whey circulation pipe systems of different draining sections.
  • a pump could be consecutively connected with section a, section b and section c and then with section a again, and so forth. But a constant whey circulation per section with an own pump facility per section is also possible if such is desired, for instance because of a high load of fines or fundamentally hygienic reasons.
  • Figs. 5 and 6 schematically show in perspective and in section an example of an insert which makes it possible also to provide an existing draining column with a whey circulation system.
  • Figs. 5 and 6 schematically show a jacket 60 which encloses a perforated wall part 67, not shown in Fig. 5, of a draining section of a draining column.
  • a jacket 60 which encloses a perforated wall part 67, not shown in Fig. 5, of a draining section of a draining column.
  • an opening 61 circular in this example.
  • the insert has a flange 63 closing off the opening.
  • the flange may be welded over the opening or (as in Fig. 6) in the opening, or be fixed to the jacket in a different manner closing off the opening.
  • the flange is furthermore provided with a bore 64 and a piece of tubing 65 aligning therewith.
  • the piece of tubing serves for the supply of whey and is operatively connected with a whey circulation supply pipe.
  • a screening plate 66 Situated opposite the piece of tubing 65 and the bore 64 is a screening plate 66, which is situated at a distance from the flange 63 and which screens the perforated wall part 67 of a draining section situated opposite the bore 64 from a whey stream P supplied via the piece of tubing.
  • the screening plate 66 is attached to the flange through one or more spacers.
  • the screening plate has lower and upper edges 68, 69, which are bent back to the flange 63 and which are attached to the flange, for instance by welding.
  • the dimensions of the opening 61 and the screening plate are such that the screening plate can be inserted into the jacket through the opening.
  • a whey stream P now strikes against the screening plate and is diverted to both sides and then flows along the perforated wall part. Upward and/or downward diversion is impeded by the bent edges 68 and 69.
  • the bent edges, or one of the bent edges may be provided ⁇ with one or more recesses to avoid dead angles where fines could settle.
  • An example of such a recess which in this example is arranged centrally in the upper and/or lower bent edge, is shown at 70 in Fig. 6.
  • An insert which can be connected with a whey circulation pipe can be arranged in a similar manner in an existing draining column.
  • Such an0 insert for a recirculation pipe may or may not, as desired, be provided with suitable guide means for the whey stream.
  • an important advantage of the use of a whey circulation system according to the invention is avoidance of a liquid stream, via the perforations of the5 perforated section, directly striking the curd in the draining column. This is of importance because such a liquid stream could break the curd column or could damage the curd column, which can lead to an undesired structure, consistency or even taste of the eventually formed cheese.
  • the time between successive cleaning turns can thus be substantially longer without the bacteriological quality of especially the5 drained whey becoming too poor for normal marketing. Also, the duration of a cleaning turn may be shorter, since no masses of fines need to be removed and the overall bacteriological state of the installation at the start of cleaning is substantially better.
  • the pump means of the whey circulation system so that the0 impact of the cleaning process is enhanced. It is noted that after the foregoing, various modifications will readily occur to those skilled in the art.
  • the whey circulation supply pipe in the examples shown and described is preferably arranged in a corner portion at right angles to the circumferential surface of the perforated sections.
  • the whey stream supplied then butts against a rounded surface and divides into two partial streams, which meet at a corner portion situated diagonally opposite the supply pipe and leave the jacket again.
  • a similar effect may be achieved with a circular column if the whey stream is supplied at right angles to the perforated section.
  • the circulation whey stream can be guided through the jacket in the desired manner, while the circulating whey may or may not, as desired, be divided into partial streams.

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  • Life Sciences & Earth Sciences (AREA)
  • Animal Husbandry (AREA)
  • Environmental Sciences (AREA)
  • Dairy Products (AREA)

Abstract

L’invention concerne un appareil de fabrication de fromage, qui comprend au moins une colonne d’égouttage tubulaire verticale (1), destinée à recevoir le caillé de fromagerie, qui forme en fonctionnement une colonne de caillé (W) dans la colonne d’égouttage (2). Selon l’invention, ladite colonne d’égouttage comprend au moins une section perforée munie d’une enveloppe (23) qui entoure la section respective pour recueillir en fonctionnement le petit-lait qui sort de la colonne de caillé. Selon l’invention, chaque enveloppe qui entoure une section perforée est munie d’au moins un tuyau de déchargement du petit-lait et au moins une enveloppe est munie d’un système de circulation du petit-lait, qui comprend au moins un tuyau d’alimentation pour la circulation du petit-lait (24) raccordé à l’enveloppe et au moins un tuyau de déchargement pour la circulation du petit-lait raccordé à l’enveloppe, ainsi que des moyens de pompage (25) raccordés à ces tuyaux. Selon l’invention, des moyens de guidage du petit-lait (26) sont prévus au moins à l’opposé du tuyau d’alimentation pour la circulation du petit-lait dans l’enveloppe et empêchent la collision directe du petit-lait introduit par les moyens de pompage via le ou les tuyaux d’alimentation pour la circulation du petit-lait dans l’espace entre l’enveloppe et la section perforée, contre une partie de la paroi perforée de la section perforée et la colonne de caillé située derrière.
PCT/NL2009/050588 2008-10-01 2009-09-30 Appareil de fabrication de fromage à colonne d’égouttage verticale WO2010039033A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09788351A EP2348821A1 (fr) 2008-10-01 2009-09-30 Appareil de fabrication de fromage à colonne d'égouttage verticale
DE112009002413.0T DE112009002413B4 (de) 2008-10-01 2009-09-30 Käseherstellungsvorrichtung mit vertikaler Drainagesäule

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2002044A NL2002044C (nl) 2008-10-01 2008-10-01 Kaasbereidingsinrichting met vertikale draineerkolom.
NL2002044 2008-10-01

Publications (1)

Publication Number Publication Date
WO2010039033A1 true WO2010039033A1 (fr) 2010-04-08

Family

ID=40756261

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2009/050588 WO2010039033A1 (fr) 2008-10-01 2009-09-30 Appareil de fabrication de fromage à colonne d’égouttage verticale

Country Status (5)

Country Link
EP (1) EP2348821A1 (fr)
DE (2) DE202009018401U1 (fr)
NL (1) NL2002044C (fr)
PL (1) PL395915A1 (fr)
WO (1) WO2010039033A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018109767A1 (de) * 2018-04-24 2019-10-24 Alpma Alpenland Maschinenbau Gmbh Verfahren zur Herstellung von Käse aus einem Käsebruch/Molke-Gemisch
EP4321016A1 (fr) * 2022-08-10 2024-02-14 Tetra Laval Holdings & Finance S.A. Appareil d'égouttage et de formage de caillé et module destiné à être installé en son sein

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1281510A (en) * 1969-08-04 1972-07-12 Bel La Vache Qui Rit Fromage Process and apparatus for continuously separating and washing a coagulum and more particularly curd for making cheese and casein
NL8006898A (nl) * 1980-12-19 1982-07-16 Koopmans Engineering B V Werkwijze en inrichting voor het vervaardigen van kazen.
GB2345430A (en) * 1999-01-06 2000-07-12 Wincanton Eng Cheese block forming tower
US20010017083A1 (en) * 1996-07-09 2001-08-30 Hoogland Valentijn Eise Block former

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1281510A (en) * 1969-08-04 1972-07-12 Bel La Vache Qui Rit Fromage Process and apparatus for continuously separating and washing a coagulum and more particularly curd for making cheese and casein
NL8006898A (nl) * 1980-12-19 1982-07-16 Koopmans Engineering B V Werkwijze en inrichting voor het vervaardigen van kazen.
US20010017083A1 (en) * 1996-07-09 2001-08-30 Hoogland Valentijn Eise Block former
GB2345430A (en) * 1999-01-06 2000-07-12 Wincanton Eng Cheese block forming tower

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018109767A1 (de) * 2018-04-24 2019-10-24 Alpma Alpenland Maschinenbau Gmbh Verfahren zur Herstellung von Käse aus einem Käsebruch/Molke-Gemisch
EP4321016A1 (fr) * 2022-08-10 2024-02-14 Tetra Laval Holdings & Finance S.A. Appareil d'égouttage et de formage de caillé et module destiné à être installé en son sein
WO2024033013A1 (fr) * 2022-08-10 2024-02-15 Tetra Laval Holdings & Finance S.A. Appareil pour égoutter et former un caillé, et module à installer en son sein

Also Published As

Publication number Publication date
DE112009002413B4 (de) 2018-11-29
EP2348821A1 (fr) 2011-08-03
PL395915A1 (pl) 2011-12-05
DE112009002413T5 (de) 2012-01-26
DE202009018401U1 (de) 2011-10-11
NL2002044C (nl) 2010-04-02

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